AIR FORCE MIL-P-38026 A (4)-1979 POWER SUPPLY ECU-23 A《ECU-23 A电源》.pdf

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1、- NIL-P-3802bA (4) bL = 7777706 007152L 4 -I 6- -. 15-05 - MIGP-38026 (UE 1 2.1: t? FWitary Specifications delete “ML-S-3151 and MIIro6099 and titles thereto.“ *2.1: Under r4ilit;irV Specifications add “ML-G-21480, Generatar System 400 Hertz, Allmmathg Current, Aircraft, General SpeCifiiCation For.“

2、 PAm 2 *2.1: under F-lilitary Standards delete W33586 and title thereto.“ “Delete Paragraph 3.3.1.1 Arid “3.4.1.4 iWiability. aie pcmx supply shall have a minhxn accep - table man-tire-keheen-failures (EiTW) of 450 burs denjnstratsd to a 3 90% confidence level.“ PAlz 7 Figure 3: length “-510 MIN.“ a

3、nd substitute “.750 MIN.“ in ae right-haria configuration, delete autpt terminal - PAGE8 Delete Paragraph 3.11.3 d substitute: - order to meet envirosmental and perforniance requiremen . tsmntaind herein shall be plate or oi31Lse suitably protected. cadmiun piating in acmdanm with Qo-P-416 shall be

4、Uto -determine the maximm souTy3 level. aie distance iaximum SOW level at any point shall riot exceed 67 db measured using the “B“ scale of an integrating-type sourd level meter having an overall (xnicrqhohe, filter, amplifier) characteristic in accordance with figure 5. r.S shall be made in an anec

5、hoic chamber with the parillr -1y cupported in a nianner tominimizeacoustic transmi ssion an reflection by the cuppoirt structure. bkasumnents shall be made with the pcxer supply aperathq at full ratd load after a warrrmp period of at least 30 minutes at full 3xMd.“ Md:, - . RI In “4.6.13.1 Aooustic

6、al noise retest. Pcurustical noise tests f the pmer supi?ly subsequent to initial acceptance by the Air Force shall be card*- in ai.ight-Patterson Air Farce Base, Wo 45433“ and substitute “Sacramento XC/l“E, EiIcclellan A3 C& 95652,“ Change paragraph 6.4 to Paragraph “6.5“ ard add: possible W3-h ule

7、 quality limits required by this &amtent and to fulfill canpliarce with t-he %source conCervation/ Act of 1976. (Public Law 94-580 dated 21 October 1976) .I1 NME: aie margins of this amndment are mark& with an asterisk to indicate where changes fran the previous amendment were made. %is was done as

8、a convenience only arad the Govermmt assumes no liability whatscever for any inaccuracies in these notations. contractors are cautioned to evaluate the requirements of this doCu- ment based upon the entire content irrespective of the mginal mta- tiom and relationship to the last previous amnmnt. *“6.4 %claimed matekials shall be utilize3 to &e IMxirmm extent Bidders arad custodian: Air Force - 99 preparing Activity: AirjForce - 99 Wiew Activity: DIS - GS Pgent: SI-m/lm Project 6130-F190 . 3 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-